import time

if __name__ == '__main__':
    start_time = time.time()

    for a in range(0, 1001):
        for b in range(0, 1001 - a):
            c = 1000 - a - b
            if a ** 2 + b ** 2 == c ** 2:
                print("a, b, c: %d, %d, %d" % (a, b, c))

    end_time = time.time()
    print("elapsed: %f" % (end_time - start_time))
    print("complete!")
